Home / 20,212,888.65-30,319,332.98-8,076,350.85

Finding the Fourth Proportional to 20,212,888.65, 30,319,332.98 and 8,076,350.85

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Solution

The fourth proportional to 20,212,888.65, 30,319,332.98 and 8,076,350.85 is: 12,114,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,888.65 : 30,319,332.98 = 8,076,350.85 : x
  2. Step 2: Convert to fraction form
    20,212,888.65/30,319,332.98 = 8,076,350.85/x
  3. Step 3: Cross multiply
    20,212,888.65x = 30,319,332.98 × 8,076,350.85
  4. Step 4: Simplify right side
    20,212,888.65x = 244,869,570,644,074.28
  5. Step 5: Solve for x
    x = 244,869,570,644,074.28/20,212,888.65
  6. Step 6: Final answer
    x = 12,114,526.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.